"I always feel the [next] game is the game [he will score]", he said.
The former Barcelona star is thought to be on huge weekly wages at Old Trafford - some believing them to be up to £500,000 a week - which might explain why United are willing to allow his departure.
Juventus produced an extremely impressive performance in the Champions League this week against Manchester United, but reports are emerging that the Old Lady are looking to take away more than the three group points from Old Trafford. "Then after two weeks we lost Dalot, Fellaini, Alexis, we lost McTominay".
"Yes [with the best players]".
It was an expensive October global break for United as McTominay, Fellaini, Dalot and Sanchez all returned with injuries and Mourinho has criticised some of the countries for the way they handled the situations.
"The solution is to use the players we have".
Hundreds in migrant caravan turn back, some trickle into Mexico
More than 3,400 Hondurans migrants were returned to their home country over the weekend, according to a migrant assistance body. Mexican police in riot gear shadowed the caravan's arrival along a southern highway but did not impede the migrants' journey.
The Frenchman added that he does not know if Alexis found it hard to say no to the Old Trafford outfit, but the style of play at the Emirates suited him better.
Mourinho is not confident he will be available to face Everton either and hit out at the Chilean FA, as well as other "unprofessional" associations, for failing to send back injured players during the worldwide break.
Speaking in his pre-match press conference, Mourinho said: 'In this moment he is struggling because he is injured, ' said Mourinho. Whether Juventus complete their quest for a first Champions League trophy in 23 years come next summer, may again be one of the stories of the season.
"He thought wrongly that the holiday period would bring things to normality, then he thought wrongly that working or start to work would improve".
"Now he's going back and to do the work to try and be 100 percent and in this moment he's nearly there because of the team's needs".
"I think he's the kind of player that needs to be really sharp to play his best game". I don't think we gave them too much respect.